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Bicycle lock
A bicycle lock has a lock casing, a lock core assembly, a lock bar, and a lock cable. The lock casing has a front end surface, a back end surface, a peripheral surface, an installation slot, a fixed pin, a lock core recess, and a cable slot. The installation slot is recessed from the peripheral surface. The fixed pin is secured in the installation slot. The lock core recess is recessed from the front end surface. The lock core assembly is movably mounted in the lock core recess. The lock bar is connected to the lock core assembly and is capable of moving into the installation slot. The lock cable is detachably mounted in the cable slot of the lock casing. The bicycle lock can be fixed on a chain of a bicycle to interfere with operation of the chain, thereby preventing theft
Owner:ABA UFO INT CORP
Intelligent port cargo scheduling system and method based on Internet of Things
The invention discloses an intelligent port cargo scheduling system and method based on the Internet of Things, relates to the technical field of intelligent port logistics scheduling, and realizes dynamic adaptive adjustment of a port scheduling strategy by constructing a full-chain linkage mechanism of real-time sensing, intelligent analysis, dynamic decision, accurate execution and closed-loop feedback. The system can automatically expand or contract the boundary of the storage yard buffer area according to the congestion index of the core operation area and ship tide prediction, and synchronously adjust the AGV and the yard bridge scheduling rule, in the peak tide period, the AGV preferentially guarantees the rapid transfer of cargoes in the core area, the efficiency loss caused by long-distance transportation is avoided, and the transportation efficiency is improved. In the low ebb backflow period, goods in the elastic storage area are actively moved to the core preparation area in advance, layout is conducted in advance for the follow-up operation peak, the dynamic scheduling mode can effectively cope with severe fluctuation of the port operation amount, all the operation links are kept efficient and cooperative all the time, and the adaptability and response capacity of the port in the complex operation environment are greatly improved.
Owner:LIANYUNGANG XINSUGANG TERMINAL CO LTD
chainsaw
A chainsaw includes a housing with a body portion and a motor portion disposed on a left or right side of the body portion, a guide plate, a chain, a drive assembly including an electric motor, a power supply device, a top handle, a side handle and a circuit board assembly. The top handle is disposed on and connected to an upper side of the body portion, and the rear portion is located below a handle rear end of the top handle. The side handle is disposed on a same side of the body portion together with the motor portion. The circuit board assembly is disposed in the rear portion of the body portion, and located between the power supply device and the drive assembly in a front and rear direction. An overall length of the chainsaw is smaller than or equal to 230 mm.
Owner:NANJING CHERVON IND
Support-free hoisting installation system applied to large-span arched steel corrugated plate
The invention relates to the technical field of steel corrugated plate hoisting, and discloses an unsupported hoisting installation system applied to a large-span arched steel corrugated plate, which comprises a lifting hook, auxiliary mechanisms are symmetrically connected below the lifting hook, and the auxiliary mechanisms are used for being connected with haunches of the steel corrugated plate so as to avoid deformation of the steel corrugated plate in the hoisting process. An adjusting mechanism which is connected with the arch crown of the steel corrugated plate and can adjust the span of the steel corrugated plate is further connected below the lifting hook through a hand-drive block, and the adjusting mechanism comprises a lifting lug. The support-free hoisting installation system applied to the large-span arched steel corrugated plate can effectively solve the problems that in the prior art, before hoisting of the steel corrugated plate, the span of the steel corrugated plate is mainly adjusted by manually and repeatedly shaking a hoist chain, climbing to the top of the steel corrugated plate for multiple times is needed for high-altitude operation, the labor intensity is large, the risk is high, and the working efficiency is high. And repeated debugging is often needed, so that the adjustment time of a single steel corrugated plate is relatively long, and the overall hoisting progress is slowed down.
Owner:CHINA RAILWAY SEVENTH ENG BUREAU GRP GUANGZHOU ENG CO LTD +3
Weft selecting and laying device of warp knitting machine
The invention relates to the field of warp knitting machines, in particular to a warp knitting machine weft selecting and laying device which comprises a weft selecting unit, a weft laying unit and yarn conveying and clamping units, the yarn conveying and clamping units are symmetrically arranged on one side of the weft laying unit, the weft selecting unit is horizontally arranged above the yarn conveying and clamping units on the two sides, and the weft selecting unit comprises a mounting frame. A plurality of line selection frames arranged in the weft selection unit and traction mechanisms on the line selection frames are matched with a line clamping plate limiting mechanism and a line clamping plate mechanism, rapid and accurate selection and switching of multiple yarns are achieved, the weft selection efficiency and accuracy are improved, a trolley assembly in the weft laying unit is in linkage design through a line pressing frame, a line pressing plate and a line clamping mechanism, and the weft laying efficiency is improved. According to the yarn conveying and clamping unit, reliable pressing and clamping of the yarn are achieved, yarn displacement in the weft laying process is avoided, the yarn conveying and clamping unit is matched with an adjustable clamping piece in a chain transmission mode, continuous and stable conveying of the yarn is achieved, and accurate control over the clamping state is achieved through an adjusting assembly and a driving assembly.
Owner:CHANGZHOU JINHAO TEXTILE MASCH TECH CO LTD
Safety monitoring system of high transverse supporting system for cable-stayed bridge man-shaped tower column construction
ActiveCN121067747ANavigation by speed/acceleration measurementsBiological modelsData acquisitionLidar
The invention discloses a safety monitoring system of a high transverse support system for cable-stayed bridge man-shaped tower column construction, and relates to the technical field of bridge construction monitoring, the system comprises a creeping formwork integrated sensing module used for generating a point cloud model by using a mechanical arm integrated on a hydraulic creeping formwork platform and a laser radar scanning tower column curved surface, combining with a preset building information model coordinate, adaptively adjusting the mounting posture of the sensor, and outputting the mounting coordinate position of the sensor; the optical fiber sensing network module is used for collecting original strain and temperature data by using a distributed optical fiber sensor deployed along a main stress path of the support truss; an inertial navigation fusion positioning module; a digital twinning early warning module; and an edge calculation relay module. According to the invention, a full-process monitoring chain from data acquisition to risk early warning is constructed through cooperation of multiple modules, full-period and multi-dimensional dynamic control of construction of the human-shaped tower column high transverse support system is realized, and timely perception and overall control of potential risks are ensured.
Owner:CHINA COMMUNICATIONS COMMUNICATIONS SECOND AVIATION ADMINISTRATION JILIN CONSTRUCTION CO LTD +1
Logistics supply chain management method and system based on block chain technology
The invention provides a logistics supply chain management method and system based on a block chain technology, and relates to the technical field of data processing, and the method comprises the steps that a storage center scans a traceability code and verifies goods information when goods are warehoused, and after verification is passed, the goods are encrypted and stored in a block chain to obtain warehouse-in data; a dynamic inventory database is established according to the goods category and the storage location number through the warehousing data, and an inventory state early warning index is generated. According to the logistics supply chain management method and system based on the block chain technology provided by the invention, dynamic and accurate management of inventory, real-time optimization of logistics paths and credible traceability of full-chain information are realized through distributed storage and non-tampering characteristics of the block chain in combination with an intelligent contract and the Internet of Things technology, the supply chain collaboration efficiency is improved, and the logistics supply chain management efficiency is improved. And the operation risk is reduced.
Owner:HUNAN POLICE ACAD
Shopping cart conveying chain
The utility model discloses a shopping cart conveying chain which aims at solving the problems that in the prior art, a shopping cart conveying chain and a conventional shopping cart are not universal, a specific shopping cart needs to be arranged, and the purchase cost is increased. And meanwhile, the crosspieces of the shopping cart are easy to run off from the separation blades, so that the safety is poor. The technical problem is solved through the following technical scheme that the chain comprises a plurality of chain plates which are hinged with one another; the dragging plates are arranged on the chain plate in a scattered mode, and hook grooves are formed in the dragging plates. A check block is rotationally arranged at an opening of the hook groove, a lock rod is rotationally connected to the side, close to the chain plate, of the hook groove, and reset pieces are arranged on the check block and the lock rod so that the check block and the lock rod can be kept in a reset state. A crosspiece of the shopping cart is clamped into the hook groove, the check block rotates to be matched with the lock rod, the lock rod locks the check block, and the crosspiece is locked in the hook groove.
Owner:HANGZHOU XO ELEVATOR
Laser cutting platform cleaning device
The invention discloses a laser cutting platform cleaning device which comprises a supporting frame, a driving chain shaft and a driven chain shaft are arranged on the supporting frame, the driving chain shaft and the driven chain shaft are in transmission through a supporting chain wheel and a supporting chain, a supporting plate is fixed to chain links of the chain, and supporting teeth are vertically installed on the plate. A cleaning assembly is arranged on one side of the supporting frame and is in linkage with the driving chain shaft through a speed changing assembly. The cleaning assembly comprises a cleaning supporting shaft, a cleaning frame, a cleaning shaft and a polishing fluted disc, the driving motor drives the polishing fluted disc to rotate through transmission of a belt and a chain, and the telescopic cylinder drives the cleaning frame to swing to adjust the positions of the polishing fluted disc and supporting teeth. The speed change assembly is engaged with the reduction gear set or the synchronous gear through switching of the clutch gear, and the two modes of low-speed grinding of the driving chain shaft and high-speed supporting tooth switching are achieved. The device further comprises a supporting guide rail, a sliding block, a protective cover and adjustable supporting legs. The device can automatically switch a supporting tooth cleaning mode and a rapid replacement mode, is compact in structure and meets different operation requirements.
Owner:SHIJIN COACH SHIYAN CITY
Chain breakage fault pre-judging device and method of scraper conveyor and scraper conveyor
The invention relates to the technical field of scraper conveyors, in particular to a chain breakage fault pre-judging device and method for a scraper conveyor and the scraper conveyor, and the device comprises a controller, a first insertion plate and a first magnetic sensor fixed to the first insertion plate; a first opening is formed in a conveying groove of the scraper conveyor, the first inserting plate is inserted into the first opening and located on the side, close to a chain way, of the chain, and the first magnetic sensor is fixed to the first inserting plate and opposite to one side of the chain. In the running process of a chain of the scraper conveyor, the first magnetic sensor collects a first magnetic characteristic signal of a chain ring passing through the first magnetic sensor; the controller is connected with the first magnetic sensor, analyzes the damage state of the chain ring according to the first magnetic characteristic signal, and prejudges whether the chain ring is a chain breakage fault risk point or not based on the damage state. Therefore, the chain damage of the scraper conveyor is pre-judged in advance, so that the early warning and preventive maintenance of the chain breakage fault are realized, and the operation reliability and safety of the scraper conveyor are improved.
Owner:NINGXIA TIANDI BENNIU IND GRP
Disc type tool magazine with chain type radial servo chain
The invention belongs to the technical field of tool magazines, particularly relates to a disc type tool magazine with a chain type radial servo chain, and provides the following scheme aiming at the problems that when a tool sleeve is replaced, cuttings and cooling liquid can be carried to enter movable parts such as a locking mechanism in the tool sleeve, so that the mechanism is inflexible in action and blocked, and normal grabbing, releasing and locking of the tool are influenced. Comprising a base body, one side of the base body is fixedly connected with a disc, an index plate is arranged on the base body, and an assembly part is arranged on one side of the base body; and the driving circular pipe is arranged on one side of the assembly part. According to the disc type tool magazine with the chain type radial servo chain, the problem of mechanism clamping stagnation caused by invasion of cuttings and cooling liquid is fundamentally solved through the pre-cleaning module and the positioning auxiliary module, pollution prevention is deeply integrated into the tool changing process, the high tool changing efficiency is maintained while the cleaning effect is ensured, and the tool changing efficiency is improved. And the reliability and the service life of the tool magazine in high-speed machining are remarkably improved.
Owner:FANGGUAN (CHANGZHOU) CNC TECH CO LTD
Unpowered circulating hanging chain high-rise emergency constant-speed descent control machine shared by multiple persons
The invention relates to the technical field of fire escape, in particular to a multi-user shared unpowered circulating hanging chain high-rise emergency constant-speed descent control machine which comprises a box body and an outer frame, after the front end of the outer frame extends out of a building, the box body is located outside the building, and a chain transmission mechanism comprises a first chain wheel, a second chain wheel and a third chain wheel. Third mounting blocks are arranged on the two sides of the third chain wheel on the third transmission shaft and slidably connected with the floating sliding rails, first supporting springs are fixed to the bottoms of the third mounting blocks, and a chain extends into the box body from the bottom of the box body, firstly bypasses the top of the third chain wheel and then bypasses the bottom of the second chain wheel; then bypasses the top of the first chain wheel and downwards extends out of the box body; the first transmission shaft is connected with a speed reduction device for automatically adjusting the rotating speed of the first transmission shaft according to the total weight of escape persons on the chain and an illumination assembly for automatically generating electricity. The device has the technical effects that the device can be used by multiple persons, and the manufacturing and maintenance cost is low.
Owner:TANGSHAN LULU JIU TECH CO LTD
Reciprocating type pull rod driving apparatus and curtain system including same
A reciprocating type pull rod driving apparatus, including a housing, a shaft rod, a driving wheel, a chain, and an operating assembly. One end of the shaft rod extends to the housing. The driving wheel is arranged on the shaft rod. The chain is meshed with multiple engagement teeth of the driving wheel. The operating assembly is connected to the chain and configured to operate the chain to drive the driving wheel to rotate. A distance between a radial outer end edge of the driving wheel and an inner wall of the housing is greater than or equal to a thickness of the chain, and a quantity of driving wheel teeth that the chain is meshed with is less than a half of a total quantity of teeth.
Owner:CHEN TSUNG JUNG
Laser welding tool for multi-size battery processing
ActiveCN121423829AWelding/soldering/cutting articlesMetal working apparatusElectrical batteryElectric machine
The invention relates to the technical field of laser welding, in particular to a laser welding tool for multi-size battery machining, which comprises a machining box body and a moving assembly for driving a laser welding head, a base frame is fixedly mounted at the top of the machining box body, and a pushing feeding assembly is arranged in the base frame. And the driving assembly is used for driving the battery bodies to achieve interval type horizontal transferring, a concentric-square-shaped moving plate in the pushing feeding assembly is responsible for gradually feeding the battery bodies step by step, moving blocks are fixedly installed at the two ends of the concentric-square-shaped moving plate, and upper and lower belt material assemblies are arranged in the moving blocks. According to the full-automatic battery top end cover welding machine, time sequence coupling of the four functions of clamping, conveying, taking and placing and cleaning is achieved, multi-process cooperation is completed, the electrical control complexity and cost are greatly reduced, absolute synchronization of takt time among the processes is fundamentally ensured, extremely high repeated positioning precision and anti-interference capacity are achieved, and the welding quality of a battery top end cover is improved.
Owner:KUNSHAN JIN XIN HE ELECTRONIC PML PRECISION MECHANISM LTD
Chain production data monitoring and optimizing system based on industrial internet of things
The invention relates to the technical field of intelligent manufacturing, in particular to a chain production data monitoring and optimizing system based on industrial internet of things, which comprises a stress load monitoring module, a shock wave propagation analysis module, a vibration feature extraction module, a load optimization control module and a fracture risk early warning module. According to the method, through combination of stress data acquisition and coordinate index and gradient calculation, a transient stress overload area of chain plate stamping and pin shaft heat treatment is positioned, local extreme points are dynamically screened to improve anomaly detection precision, an energy accumulation coefficient is quantified by shock wave propagation speed and attenuation rate, and a vibration anomaly source of a chain pin shaft and a chain plate is associated. The vibration signals are subjected to short-time Fourier transform to analyze riveting and assembling characteristic frequencies, high-resolution stress mode characteristic values are generated to support parameter optimization, operation data are simulated to construct a stress accumulation curve, test parameters are dynamically adjusted in combination with a short-term stress limit to optimize load uniformity, and an impact energy accumulation value is matched with a safety threshold to calibrate load distribution; the fracture risk is reduced.
Owner:HEBEI HUGO MASCH CRANE GRP CO LTD
Wood sawing and segmenting equipment based on papermaking raw materials and operation method of wood sawing and segmenting equipment
The invention belongs to the technical field of wood sawing, and particularly relates to wood sawing and segmenting equipment based on papermaking raw materials and an operation method thereof.The wood sawing and segmenting equipment comprises a base, a sliding plate is slidably connected to the top of the base, two supports are fixedly connected to the top of the sliding plate, and a supporting plate is rotatably connected between the two supports; according to the wood sawing and segmenting equipment based on the papermaking raw materials and the operation method of the wood sawing and segmenting equipment, a hydraulic cylinder controls a guide wheel to be pushed upwards, one side of a supporting plate tilts upwards, then a chain is in an inclined state, and after the chain tilts, logs slide downwards under the action of gravity and then are attached to a push plate; when the logs are conveyed upwards in an inclined mode, a third motor controls a cam to rotate, the cam is matched with a square groove, a chain swings left and right, the supported logs can be corrected through swinging of the chain, and the situation that the logs cannot be corrected due to the fact that the friction force between the logs and the chain is too large after the logs are inclined is avoided.
Owner:FUJIAN SANMING SANYANG PAPER MAKING MACHINERY EQUIP
Chain ring fatigue damage calculation method and system considering wear conditions
The invention provides a chain ring fatigue damage calculation method and system considering wear conditions, under the conditions of multiple working conditions and multiple wear losses, fatigue load calculation and accumulated damage analysis are carried out on a suspension chain ring, and through time domain simulation, finite element calculation, rain flow counting and S-N curve combination, the fatigue damage of the chain ring is calculated. And a working condition-abrasion loss-fatigue damage database is established. According to the method and the system, accurate evaluation and early warning can be provided for safe service management of the anchor chain or the suspension chain in ship and ocean engineering, and the reliability and the economical efficiency of system operation are greatly improved. All the parts of the device can be independently implemented and can also be modularly combined.
Owner:HANGZHOU AAC MARINE INSTR CO LTD
Scraper chain tension dynamic optimization method based on real-time load feedback
The invention relates to a scraper chain tension dynamic optimization method based on real-time load feedback, and belongs to the technical field of scraper chain control. The method comprises the following steps: acquiring load data of a scraper chain in various operation states; carrying out standardization processing on the load data of various operation states and then extracting features to obtain load time sequence features; carrying out time attention mechanism processing on the load time sequence characteristics and the load data of the multiple operation states to obtain importance weights; a tension value is calculated according to the load data of each operation state and the importance weight of the load data; calculating a real-time working condition coefficient of the current time node, and dynamically adjusting a preset safety tension range to obtain a real-time safety tension range of the current time node; comparing the tension value with a real-time safe tension range, and generating a control instruction according to a comparison result; and executing the control instruction. The tension control method of the scraper chain is optimized, and the control precision of the tension of the scraper chain is improved.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY
Refrigeration pipe welding positioning method and positioning device
The invention discloses a refrigeration pipe welding positioning method and device. The method comprises the following steps that S1, branch pipes are placed in all storage boxes; s2, the main pipeline is placed in a matching groove of the supporting frame, and the main pipeline is fixed through cooperation with a pressing ring; s3, a third electric cylinder is started, the third electric cylinder drives a supporting frame and the main pipeline to move to be close to the welding gun, and a branch pipe of the main pipeline moves to cross the welding gun; s4, a first electric cylinder is started, and the first electric cylinder drives a synchronous plate and an ejector sleeve to move; the motor, the first chain wheel, the second chain wheel, the chain and the hollow rotating disc are matched to drive the vortex line groove and linear groove linkage adjusting block and the rolling wheel to move, the purposes of clamping positioning and circle center correction of the branch pipe are achieved, the branch pipe is corrected to the position concentric with the disc, the coaxiality of the branch pipe and a main pipeline branch pipe is guaranteed, and the machining efficiency is improved. And the quality problems of insufficient welding, welding skips, poor welding seam forming and the like caused by positioning deviation are avoided.
Owner:SHAOXING SUPER HIGH REFRIGERATION & HEATING VENTILATION CO LTD
Intelligent monitoring and early warning method for traffic safety in case of icing of bridge floor
The invention belongs to the technical field of roads and bridges, and discloses a bridge floor icing traffic safety intelligent monitoring and early warning method, which comprises the following steps: S1, bridge floor time-varying temperature multi-source prediction based on thermal environment change; s2, predicting the time-varying friction coefficient of the frozen bridge floor based on the temperature field; s3, icing driving safety prediction based on the friction coefficient and the line condition; and S4, bridge deck icing traffic safety comprehensive speed-limiting intelligent early warning is carried out. The core innovation of the invention lies in a full-chain intelligent early warning system, through a closed-loop process of multi-source temperature prediction, dynamic friction modeling, driving safety evaluation and intelligent speed limit decision, the early warning precision and practicability are significantly improved, and through a technical path of data driven prediction, accurate safety evaluation and intelligent decision output, the early warning precision and practicability are improved. The technical performance, the economic benefit and the social safety are all broken through, and a good solution is provided for road traffic safety in winter.
Owner:SOUTHWEST JIAOTONG UNIV
Fabricated building prefabricated part production process based on digital twinning
The invention belongs to the technical field of component prefabrication, particularly relates to a digital twinning-based fabricated building prefabricated component production process, solves the problems of insufficient quality and low construction efficiency in the prior art, and constructs virtual mapping of a design-production-construction whole process through a digital twinning technology. The method realizes data-driven intelligent decision making and flexible production, and specifically comprises the following steps: an intelligent design cooperation stage: a complete quality guarantee system is constructed through arrangement of structures such as an AI visual detection system and a block chain traceability system, the AI visual detection system adopts a multispectral imaging and deep learning technology, and the AI visual detection system adopts a multi-spectral imaging and deep learning technology; various defects on the surface of the component can be accurately identified, a visual thermodynamic diagram is generated, and a quality closed loop is realized by matching with an automatic repairing function of a mechanical arm; the block chain traceability system links the whole process quality data in real time through an encryption technology, and when a detection value does not reach the standard, the intelligent contract automatically triggers a rectification process and locks a problem component to form a complete quality prevention and control chain.
Owner:中交投资南京有限公司
Explosive mixing conveying chain device of firework inner barrel filling production line
The utility model provides an explosive mixing conveying chain device for a firework inner barrel filling production line. The device comprises a water tank mechanism and a power mechanism, the water tank mechanism comprises a rack and a water tank fixedly arranged above the rack; the power mechanism comprises a power machine and a conveying chain which are respectively arranged below and above the water tank; a plurality of sliding table trolleys are detachably installed on the conveying chain, the power machine drives the conveying chain to drive the sliding table trolleys to conduct uniform-speed circular motion in the water tank, and the sliding table trolleys sequentially pass through a plurality of medicine mixing mechanisms arranged on the side edge of the water tank at equal intervals. According to the mixed medicine conveying chain device, water can be injected into the water tank, so that medicine powder and other impurities generated in the medicine mixing process fall into the water tank, and fire and explosion caused by medicine naturally are avoided; the power machine drives the conveying chain to drive the sliding table trolley, so that the whole medicine mixing and conveying process is automatic, manual intervention is reduced, the production efficiency and the yield are improved, the occupied area of equipment is small, and efficient production layout can be achieved in a limited site.
Owner:百特(福建)智能装备科技有限公司
System for lowering and recovering hydraulic pipe of underwater blowout preventer
The invention discloses a system for lowering and recovering a hydraulic pipe of an underwater blowout preventer, which comprises a winch drum, a driving assembly and a bearing seat are respectively arranged on shafts at two ends of the winch drum, the driving assembly is used for driving the winch drum to rotate, and the bearing seat is used for supporting the winch drum; a replaceable chain wheel and a hydraulic slip ring are sequentially mounted on the projecting shaft on the other side of the bearing seat, and the replaceable chain wheel is connected with a cable arrangement device through a chain; a hydraulic pipe of the underwater blowout preventer is led into the winch roller through the hydraulic sliding ring, then led to the cable arrangement device through the winch roller and finally led to the underwater blowout preventer through the cable arrangement device, and the cable arrangement device is used for enabling the hydraulic pipe to be arranged in order along the winch roller. The driving assembly is connected with a pneumatic control system which is used for controlling the driving assembly to drive the winch drum. According to the system, hydraulic pipes with different diameters can be automatically collected and released, the heat dissipation effect is good in the collecting and releasing process, and serious heating of the hydraulic pipes cannot be caused.
Owner:CNPC NATIONAL OIL & GAS DRILLING EQUIPMENT ENGINEERING & TECHNOLOGY RESEARCH CENTER CO LTD +2
Floating type scraper structure
A floating type scraper structure is used for a chip cleaner and comprises two chains surrounding the chip cleaner and a plurality of scrapers evenly arranged between the two chains. A plurality of mounting seats for mounting the scrapers are arranged on the chain; limiting sleeves are arranged on the two sides of each scraper respectively, the thickness of the limiting sleeves is larger than that of the scrapers, mounting holes corresponding to the limiting sleeves are formed in the mounting bases, and the scrapers and the mounting bases are connected in a floating mode after bolts penetrate through the limiting sleeves and the mounting holes. According to the floating type scraping plate structure, the floating type scraping plate structure can adapt to foreign matter, the clamping stagnation risk is remarkably reduced, and equipment operation is more stable and reliable.
Owner:NINGXIA KOCEL MACHINE TOOL ACCESSORIES
Conveying apparatus for a packaging machine, transport apparatus for transporting products and a packaging machine
A conveying apparatus in or for a packaging machine having at least one conveyor chain (1) which circulates in a chain running direction (5) and includes a large number of chain links (3) that are connected to one another in an articulated manner around a respective chain link axis (4) via transversely extending chain pins (2). Lamellar elements (6) that include lamellae (7) made of an elastic material, in particular a spring-elastic material, are oriented obliquely with respect to the chain running direction (5) are placed on the chain links (3), in particular interchangeably.
Owner:ILLINOIS TOOL WORKS INC
Ratchet tightener
Owner:WESTDEUTER DRAHTSEIL VERKAUF DOLEZYCH
Intelligent conveying equipment for filter shell production
Owner:TAIZHOU WEIFU SEALING TECHNOLOGY CO LTD
Shield tunneling machine earth pressure balance autonomous control method based on warm start DDPG
The invention provides a shield tunneling machine earth pressure balance autonomous control method based on warm start DDPG, and relates to the technical field of shield tunneling machines. Comprising data warm start and reinforcement learning training; warm start is carried out on the Actor network based on a large amount of construction data, and hidden key features and rules in the data are learned; on the basis of warm start, a deep reinforcement learning method is introduced, a control strategy is continuously optimized through interaction with an actual construction environment, and finally intelligent decision-making of earth pressure balance of the shield tunneling machine is achieved. Through data pre-training, the Actor network can preliminarily adapt to a complex construction environment, the number of trial and error times is reduced, and the invalid trial and error cost at the initial stage of intelligent agent training is remarkably reduced. And reinforcement learning training forms a closed-loop control chain of state perception-decision optimization-execution feedback through real-time interaction with a dynamic construction environment, so that not only is gradual fine adjustment of a control strategy in the tunneling process realized, but also the decision response speed and precision are improved, and finally, intelligent decision making of earth pressure balance of the shield tunneling machine is realized.
Owner:NORTHEASTERN UNIV CHINA
Chain type pipeline cover plate fastening device
The utility model relates to a chain type pipeline cover plate fastening device which comprises a frame, a gear shaft, a roller shaft, a cam shaft and a fastening chain, a connecting rod and a supporting rod are arranged on the frame, the gear shaft is installed on the frame, a transmission gear, a stop ratchet wheel and a driving ratchet wheel are fixed on the gear shaft, a stop pawl matched with the stop ratchet wheel is hinged to the inner side of the frame, and the fastening chain is arranged on the cam shaft. A driving part is clamped on the outer side of the frame through a shaft sleeve, a driving pawl matched with the driving ratchet wheel is hinged to the driving part, the driving part is connected with an operation handle, the two ends of a roller shaft are clamped in strip-shaped holes in the frame respectively, a jacking roller matched with the transmission gear is installed on the roller shaft, and the two ends of a cam shaft are clamped in shaft holes in the frame respectively. A manual control cam matched with the roller shaft is fixed to the cam shaft, one end of the fastening chain is hung on the connecting rod through a hook, the other end of the fastening chain bypasses the upper side of the supporting rod and the upper side of the jacking roller and is meshed with the transmission gear, and the device has the advantages of being simple in structure, reliable in fixation and high in practicability.
Owner:BEIJING TIANXING GAS ENG CO LTD
Suspension conveying equipment for carton processing
The invention relates to the technical field of carton processing, and provides a suspension conveying device for carton processing, comprising a suspension bracket and a driving assembly; supporting frames are installed on the two sides of the hanging frame, a first chain wheel is installed on one side of the bottom end of the hanging frame, a second chain wheel is installed on the other side of the bottom end of the hanging frame, chains are installed on the outer sides of the first chain wheel and the second chain wheel, hooks are installed at the bottom end of the chains, and an automatic feeding structure is arranged on one side of the bottom end of the hanging frame. The automatic feeding structure comprises a conveyor, the conveyor is installed on one side of the bottom end of the hanging frame, a containing block is installed on one side of the conveyor, a moving groove is formed in one side in the containing block, an auxiliary block is installed at the top end of the moving groove, and fixing plates are installed on the two sides of one end of the hook. By means of the design of the automatic feeding structure, when carton blanks are rotationally conveyed, the carton blanks can be continuously conveyed to the top ends of the containing blocks through the conveyor, then the carton blanks are carried away by the moving hooks, and automatic feeding work is completed.
Owner:QINGDAO XINGDA PACKAGE TECH CO LTD